Sierra Madre, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sierra Madre, a city in Los Angeles County, California.
Overnight
65°F
Mostly Clear
Mostly clear, with a low around 65. Southwest wind around 0 mph.
7-day forecast for Sierra Madre
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 96°F | Sunny | 0 to 5 mph SSW | 0% |
| Tuesday Night | 64°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Wednesday | 95°F | Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 65°F | Mostly Clear | 0 to 5 mph S | 0% |
| Thursday | 95°F | Sunny | 0 to 5 mph SW | 0% |
| Thursday Night | 65°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Friday | 94°F | Sunny | 0 to 5 mph SSW | 0% |
| Friday Night | 66°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Saturday | 96°F | Sunny | 0 to 5 mph SSW | 0% |
| Saturday Night | 66°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Sunday | 95°F | Sunny | 0 to 5 mph SSW | 0% |
| Sunday Night | 65°F | Mostly Clear | 0 to 5 mph S | 1% |
| Monday | 91°F | Sunny | 0 to 5 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Sierra Madre (34.169, -118.050). Updated through the day.
Growing snapshot for Sierra Madre
Last spring frost
Apr 28
First fall frost
Nov 15
Growing season
199 days
Hardiness zone
10a
More local growing data for Sierra Madre: nearby ZIP 91024 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Mt Wilson Cbs, Ca (4.1 mi from Sierra Madre). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.